The Number

1921

One Thousand Nine Hundred and Twenty-One

In Base 31 Untrigesimal Is

1uu31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See One Thousand Nine Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1918
1ur31
One Thousand Nine Hundred and Eightteen in Base 31 Untrigesimal
1919
1us31
One Thousand Nine Hundred and Nineteen in Base 31 Untrigesimal
1920
1ut31
One Thousand Nine Hundred and Twenty in Base 31 Untrigesimal
1922
20031
One Thousand Nine Hundred and Twenty-Two in Base 31 Untrigesimal
1923
20131
One Thousand Nine Hundred and Twenty-Three in Base 31 Untrigesimal
1924
20231
One Thousand Nine Hundred and Twenty-Four in Base 31 Untrigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.921e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00ffn7r3t1u131

The reciprocal of 1921 in Base 31 Untrigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 1uu31 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand nine hundred and twenty-one has the following 2 prime factors:

17
h31
Seventeen in Base 31 Untrigesimal
113
3k31
One Hundred and Thirteen in Base 31 Untrigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

h311 · 3k311 = 1uu31

Base Conversions

The number one thousand nine hundred and twenty-one in 35 different bases